<Columns>
    <Column>
        <Notification Color="Color.Info">First column</Notification>
        <Columns IsMobile>
            <Column>
                <Notification Color="Color.Info">First nested column</Notification>
            </Column>
            <Column>
                <Notification Color="Color.Info">Second nested column</Notification>
            </Column>
        </Columns>
    </Column>
    <Column>
        <Notification Color="Color.Danger">Second column</Notification>
        <Columns IsMobile>
            <Column Size="Size.Half">
                <Notification Color="Color.Danger">50%</Notification>
            </Column>
            <Column>
                <Notification Color="Color.Danger">Auto</Notification>
            </Column>
            <Column>
                <Notification Color="Color.Danger">Auto</Notification>
            </Column>
        </Columns>
    </Column>
</Columns>